Now showing items 1-20 of 67815

      • Map of college grounds showing location of buildings, roads, walks, and contour lines 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959
        Date:1904
        A topographic map of the Colorado Agricultural College in 1904. Map includes buildings, ditches and roads on the campus. Relief shown by contours on linen tracing cloth.
      • 129. Use of Old Venturi Flume in the Measurement of Sewage 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Rowher, Carl; Allen, Kenneth; Colorado Agricultural College; Colorado Agricultural Experiment Station; United States. Department of Agriculture
        Date:1921
        Date:1924
        The Venturi Flume by Ralph L. Parshall and Carl Rowher, Agricultural Experiment Station of the Colorado Agricultural College, February 1921, Bulletin 265, with related calculations, drawings and letters between Parshall ...
      • 128. Earthen Dams, Fellows and Fortier Memo 

        Contributor:Fellows, Abraham Lincoln, 1864-1942; Steinel, Alvin T. (Alvin Theodore), 1878-; Parshall, Ralph L. (Ralph Leroy), 1881-1959; Fortier, Samuel; United States. Department of Agriculture; Colorado Agricultural College
        Date:1922-1923
        S. Fortier's letter to R. L. Parshall announcement and attached Plan for a study of earthen reservoir dams by A. L. Fellows. R. L. Parshall responded with a letter, notes and drawing. Following are three reports by A. L. ...
      • 126. Science and Research in Agriculture, papers presented before Agricultural Club, Rocky Ford, Colo., Oct. 25, 1923 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Droge, W. F.; United States. Department of Agriculture; Colorado Agricultural College
        Date:1923-1924
        Includes "Science and Research in Agriculture" by Parshall and document related to the Agricultural Science Club at Rocky Ford with related letter from W. F. Droge.
      • 125. Discharge Table, 10-Foot Standard Rectangular Weir at Bellvue Laboratory 

        Contributor:United States. Department of Agriculture
        Date:1923
        Discharge Tables for a 10-Foot Standard Rectangular Weir at Bellvue Laboratory for 1923
      • 127. Review -- Poudre Valley Report 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959
        Date:undated
        Handwritten draft of the history and use of water report for the Poudre Valley by Ralph L. Parshall
      • 124. Evaporation Data, Arkansas Valley -- Soil Evaporation, Memo -- Free Water, Fort Collins 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Barrows, H. H.; United States. Department of Agriculture; American Beet Sugar Company; Colorado Agricultural Experiment Station
        Date:1923-1927
        Contains a handwritten draft of Ralph L. Parshall's Report on the evaporation losses from sands and soils of the Arkansas Valley in Colorado, as well as his typed report on Evaporation from a free water surface. Both have ...
      • 123. Bring up Department Irrigation Bulletins to date and bind for our library 

        Contributor:United States. Department of Agriculture; United States. Department of Commerce
        Date:1920-1923
        Includes lists of irrigation and geodetic publications: Irrigation Publications of the Bureau of Public Roads, U.S. Department of Agriculture for November 1923, June 1922, and November 1920. Digest of Geodetic Publications ...
      • 124. Evaporation Data, Arkansas Valley -- Soil Evaporation, Memo -- Free Water, Fort Collins; Mr. A. W. Skuderna, American Beet Sugar Company, Rocky Ford, Colorado 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Parshall, Maxwell; United States. Department of Agriculture; Colorado Agricultural College
        Date:1923-1927
        Report of tests on the evaporation losses from river-bed materials and soils of the Arkansas Valley in Colorado by Ralph L. Parshall with blueprint drawings, photographs, tables, and charts; as well as Maxwell Parshall's ...
      • 130. Soldier Canon Dam, College Lake, Colo. Agricultural College, 1923 

        Contributor:United States. Department of Agriculture; Colorado Agricultural Experiment Station
        Date:1923
        Blueprint drawing of the Design of diversion dam for College Lake inlet, U.S. Department of Agriculture and the Colorado Experiment Station, Fort Collins, Colorado, August 1923
      • 122. Entrance to Pipes -- Scobey 

        Contributor:Scobey, Fred C. (Frederick Charles), 1880-1962; United States. Department of Agriculture
        Date:1925
        Fred C. Scobey, Engineer of the Bureau of Public Roads, to Ralph L. Parshall, Colorado Experiment Station, concerning a siphon pipe for the Farmers Ditch Company at Boulder, Colorado
      • 233. Arkansas Valley Farm Data for Rehabilitation Corporation and Correspondence 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Mitchelson, A. T.; McLaughlin, W. W.; Beach, C. W.; United States. Department of Agriculture
        Date:1933-1935
        Consists of memoranda by Ralph L. Parshall concerning the water supply of the Cucharas Irrigation Company, Broad Acres Ranch, Pueblo County; Excelsior Farm in the Arkansas River Valley near Pueblo; Fruitland Ditch at Canon ...
      • 234. Supplemental Water Supply along Purgatoire River 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; United States. Department of Agriculture; Colorado Agricultural Experiment Station
        Date:1935
        Report and memorandum by Ralph L. Parshall discussing water supply for irrigation of the Purgatoire River Valley in the vicinity of Trinidad, Colorado
      • 232. T. H. Summers Report on farm housing survey 

        Contributor:Summers, Thomas H. (Thomas Henry), 1885-; Kipple, G. E. (Graydon E.), 1891-; Englund, C. V.; Sutherland, Mary E.; Colorado Agricultural College
        Date:1934
        Report was written by Thos H. Summers, Senior Extension Economist and State Chairman of Colorado Agricultural College; G. E. Kipple, Chief Clerk; C. V. Englund, State Engineer; and Mary E. Sutherland, State Supervisor.
      • 229. Twin Lakes Transmountain Diversion Tunnel, Oct. 1934 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Beach, C. W.; Smith, O. R.; Owens, A. Ralph; Hinderlider, M. C.; Crocker, Herbert S.; Colorado Agricultural College; Colorado State College; Colorado State College of Agriculture and Mechanic Arts; United States. Department of Agriculture
        Date:1934-1935
        Correspondence and drawings which include measurements and calculations concerning an eight-foot timber Parshall measuring flume installed at east portal of the Twin Lakes water tunnel at Independence Pass, Colorado. It ...
      • 230. Effect of Obstructions in Converging Section 2-foot Parshall flume, Bellvue Laboratory Sept. 1927 and Fillets in 1-foot Parshall measuring flume, Campus Hydraulic Laboratory, Feb. and March, 1935, Shingle Obstructions 

        Contributor:Parshall, Ralph L. (Ralph Leroy), 1881-1959; Colorado Agricultural College; Colorado Agricultural Experiment Station; United States. Department of Agriculture
        Date:1927
        Date:1935
        Memoranda, reports, drawings, notes, and drafts with measurements and calculations by Ralph L. Parshall concerning fillets placed against the walls of the converging section of a one-foot Parshall measuring flume and special ...
      • Letters and financial documents by Sievers 

        Contributor:Sievers, Charles H.; San Luis Valley Irrigation District
        Date:1911-1912
        Letterpress book for the Rio Grande Engineer Camp, September 15, 1911, to August 19, 1912, containing financial records such as customer accounts and daily expenses along with related outgoing correspondence. Entries are ...
      • Letters and financial documents by Pennock and Sievers 

        Contributor:Pennock, Oliver P.; Sievers, Charles H.; Ulrich, J. C.; San Luis Valley Irrigation District
        Date:1910-1913
        Letterpress book containing financial records such as customer accounts and daily expenses along with related outgoing correspondence. Entries are primarily by engineers O. P. Pennock and C. H. Sievers, with a few from J. ...
      • "General letters, Thos. Barry, sic Berry, Oct. 14, 1901 to Nov. 12, 1902" 

        Contributor:Berry, Thomas; Arkansas Valley Sugar Beet and Irrigated Land Company
        Date:1901-1902
        Letterpress book of the outgoing letters of Thomas Berry, chief engineer for the Arkansas Valley Sugar Beet and Irrigated Land Company, who was based in Lamar. The letters, often to colleagues at the company, other engineers, ...
      • Stay connected, issue 29, Fall 2017 

        Contributor:Colorado State University. Libraries
        Date:2017